
Cometic Gasket · New
Cometic Ford 351W/351C 335 Series V8 / 351W Windsor V8 Viton Rear Main Seal 2 piece
MPN C5689 · Store SKU cgsC5689
Supplier stock checked 11/7/2026, 10:56:24 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
COMETIC Front and Rear Main Crank Seals are manufactured from the best materials available and are suited for all types of environments. Each seal meets or exceeds OEM quality. Cometic utlizes their in-house dynamometersand engine assembly rooms to ensure quality and reliability Ford 351C/351M 335 Series V8; 351W-aWindsor V8 Viton Rear Main Seal; 2 Piece Ford 351C/351M 335 Series V8, 351W Windsor V8 Viton Rear Main Seal, 2 Piece Ford 351C/351M 335 Series V8; 351W-aWindsor V8 Rear Main Seal Ford 351C/351M 335 Series V8, 351W Windsor V8 Rear Main Seal
Manufacturer fitment & guides
Check C5689 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y